/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package storm.trident.windowing.config;

public abstract class BaseWindowConfig implements WindowConfig {
    protected final int windowLength;
    protected final int slideLength;

    protected BaseWindowConfig(int windowLength, int slideLength) {
        this.windowLength = windowLength;
        this.slideLength = slideLength;
    }

    @Override
    public int getWindowLength() {
        return windowLength;
    }

    @Override
    public int getSlidingLength() {
        return slideLength;
    }

    public void validate() {
        if (slideLength > windowLength) {
            throw new IllegalArgumentException("slideLength '" + slideLength +
                    "' should always be less than windowLegth '" + windowLength + "'");
        }
    }
}
